SOLUTION: 3|2x + 5| =9x -6 I just want to know how to solve. In detail and examples please show me!
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Question 914555
:
3|2x + 5| =9x -6 I just want to know how to solve. In detail and examples please show me!
Answer by
josgarithmetic(39620)
(
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):
You can
put this solution on YOUR website!
Isolate the absolute value; in this case, simply multiplying left and right sides of equation by
.
Examine two cases separately. Solve for
, and solve for
. Think logically about each of these cases about the signs of each step and decision.
Just to help with understanding,
Draw a number line and check how this works:
If
, then
.
If
, then
.
Also, if
, then
.